the Lord of Tools 4Pcs MP3 Audio Bluetooth 5.0 Receiver Board Car Speaker Amplifier 3.7V 5V Decoding 3x3cm/ 1.18x1.18inch

Add radio/network streaming functions to your current speakers, home amplifiers, home stereo systems or receivers. Bluetooth 5.0 audio receiver decoding module. Universal Micro USB 5V power supply. Also supports 3.7-5V power. 3.5mm stereo audio interface standard 3.5mm interface, output stereo sound source, plug in headphones, connect amplifiers and other devices. With the basic functions of BT5.0 Audio, long-distance transmission, lossless sound quality, Bluetooth 5.0 is backward compatible with Bluetooth 4.2, 4.1, 4.0. Supports lossless music files playback - MP3, APE, FLAC, WAV. A2DP / AVCTP / AVDTP / HFP with USB power supply.